あ、変わりましたw

#0 <_NSMainThread: 0x6000023f8140>{number = 1, name = main} true #1 <NSThread: 0x6000023d82c0>{number = 8, name = (null)} false #2 <_NSMainThread: 0x6000023f8140>{number = 1, name = main} true

(edited)